Description

3-Methyl-Isatoic Anhydride is a versatile heterocyclic building block and key chemical intermediate. This compound is valued for its role in synthesizing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and advanced agrochemicals. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors seeking high-purity intermediates for their synthesis pipelines.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various drug candidates and active pharmaceutical ingredients (APIs), particularly those with quinazolinone or related heterocyclic cores.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, where it serves as a key building block for bioactive molecules.
• Organic Synthesis & Research: Employed in academic and industrial R&D for constructing complex heterocyclic compounds, facilitating studies in medicinal chemistry and material science.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of specialized dyes and organic pigments, contributing to colorant development.
• Material Science: Investigated for use in the development of novel polymers and advanced organic materials with specific functional properties.

Basic Information

Product Name	3-Methyl-Isatoic Anhydride
CAS No.	66176-17-8
Molecular Formula	C9H7NO3
Molecular Weight	177.16 g/mol
Synonyms	3-Methyl-1H-benzo[d][1,3]oxazine-2,4-dione; 3-Methyl-2,4-dihydro-1H-3,1-benzoxazine-2,4-dione; 3-Methylisatoic anhydride; 2,4(1H,3H)-Benzoxazinedione, 3-methyl-; 3-Methyl-1,3-benzoxazine-2,4-dione; 3-Methyl-2H-3,1-benzoxazine-2,4(1H)-dione
EINECS	Contact for details

Quality Control

Our 3-Methyl-Isatoic Anhydride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including HPLC chromatograms, to support your quality assurance processes. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.